- acanthopore
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n. [Gr. akantha, thorn, spine; poros, passage](BRYOZOA)1. A tubular spine in certain fossils.2. In Stenolaemata, sometimes referred to as style, stylet, or acanthorod.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.